Question

Select the correct answer.

What is the justification for step 3 in the solution process?
0.8a - 0.1a = a - 2.5
Step 1: 0.7a = a - 2.5
Step 2: -0.3a = -2.5
Step 3:
a =8.3
O A.
the addition property of equality
O B. the subtraction property of equality
О C.
combining like terms
O D. the division property of equality

Answer 1

Answer: D. the division property of equality

Explanation:

In step three you will be dividing -2.5 divided by -0.3 to get a.